ATI TEAS 7
TEAS 7 English Practice Test
1. Which of the following is the most likely setting of the scenario below? Walking along the Thames, Julianna saw a sign advertising a fish and chips shop. Since she felt a bit peckish, she made her way over to the queue.
- A. Chicago, United States
- B. Vienna, Austria
- C. Tokyo, Japan
- D. London, England
Correct answer: D
Rationale: The mention of the Thames, fish and chips, and queue strongly indicates a British setting. Fish and chips are a traditional British dish, and the Thames is a famous river in London, England. Additionally, forming a queue is a common practice in England. Therefore, based on these cultural clues, London, England, is the most likely setting of the scenario. Choices A, B, and C are incorrect as they do not align with the specific cultural references mentioned in the scenario.
2. Which of the following statements is true about Noble gases?
- A. They are non-reactive.
- B. They are highly reactive.
- C. They have 8 valence electrons.
- D. They have 7 valence electrons.
Correct answer: A
Rationale: The correct answer is A: Noble gases are non-reactive because they have a full valence shell with 8 electrons, making them stable and unlikely to form chemical bonds with other elements. Choice B is incorrect because Noble gases are known for their inertness and lack of reactivity. Choice C is incorrect because Noble gases have 8 valence electrons, which is a key characteristic that contributes to their stability. Choice D is incorrect because Noble gases have 8 valence electrons, not 7.
3. What does 'kg' stand for in the metric system?
- A. kilogram
- B. keg
- C. kroner
- D. kraken
Correct answer: A
Rationale: 'kg' stands for kilogram, the unit of mass equal to 1,000 grams. In the metric system, 'kg' specifically represents the unit of mass, making 'kilogram' the correct choice. The other choices, 'keg,' 'kroner,' and 'kraken,' do not represent the standard unit of mass in the metric system and are therefore incorrect.
4. Chyle, a milky white fluid, is transported by lymphatic vessels from the:
- A. Lungs
- B. Intestines
- C. Kidneys
- D. Skin
Correct answer: B
Rationale: Chyle, a milky white fluid, is formed in the small intestine during digestion. It is composed of lymph and emulsified fats. Lymphatic vessels in the intestines, specifically lacteals, transport chyle from the intestines to the bloodstream for the distribution of nutrients throughout the body. The transport of chyle from the lungs, kidneys, or skin is not correct as these organs are not primarily involved in the production or transportation of chyle.
5. What is the primary function of the CRISPR-Cas9 system in gene editing?
- A. To amplify specific DNA sequences.
- B. To cut DNA at specific locations.
- C. To deliver genes into cells.
- D. To sequence entire genomes.
Correct answer: B
Rationale: The CRISPR-Cas9 system is a powerful tool used in gene editing to precisely target and cut DNA at specific locations within the genome. This system consists of a guide RNA that directs the Cas9 enzyme to the desired DNA sequence, where it creates a double-strand break. This break can then be repaired by the cell's natural DNA repair mechanisms, allowing for the introduction of specific genetic modifications. Options A, C, and D are incorrect as they do not accurately describe the primary function of the CRISPR-Cas9 system in gene editing. Amplifying DNA sequences, delivering genes into cells, and sequencing entire genomes are not the main functions of the CRISPR-Cas9 system, which is primarily focused on precise DNA cutting for targeted genetic modifications.
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